The Mikaelson's Mother (Mikael Mikaelson)

What if Klaus was still the product of an affair. But instead of Esther, it was Mikael who had an affair. When Ester cast the vampirism spell on the originals, Mikael secretly gave Astrid the drink as well. Now, a 1000 years later. Mikael and his family are once again in Mystic Falls, to break the curse binding the love of his eternal life, and their son's werewolf sides.